I use a combination of
ABRP and Plugshare. The former is, in my opinion, hard to use (but I am learning to manage it better) but good for (conservatively) estimating what the state of charge on arrival at next charger. The latter is better for linking to Google Maps to help find that next charger. I have just returned from a Sydney - Melbourne environs - Sydney journey using those tools (878 km each way).
I did have a problem at one Chargefox station where I had a problem previously and there was one town where there was a queue of Teslas but, overall, it worked.
This was our first long trip by MG ZS EV, other than Sydney-Canberra return.